Prague's historic centre includes numerous historic buildings and monuments, most notably the famed 50.086980214.42071381 Astronomical Clock (Orloj), the pure Gothic 50.0877214.422691 Týn Church, the mural-covered 50.08725314.4219031 Storch building, and the Jan Hus monument. Nearby, the Estate Theatre is a neoclassical theatre where Mozart's opera Don Giovanni was first performed. Old Town features many historical churches (St. James Church, Church of Our Lady before Týn among others) and some other interesting historical buildings like the Old Town Hall.